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@@ -0,0 +1,410 @@
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+/*
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+ 动画函数 animate (obj,attrObj,dur,fun,callback)
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+ obj 要动画的对象
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+ attrobj 要动画的属性对象{width:xxxx,height:xxx,left:xxxx,top:xxxx,opacity:xxx}
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+ dur 持续时间
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+ fun 动画方式
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+ callback 变化完成之后要处理的内容
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+*/
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+/*
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+ 函数 colorAnimate (obj,attr,val,dur,fn,callback)
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+ obj 要处理的对象
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+ attr 要处理的属性 background color
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+ val 最终颜色 rbg #
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+ fn 动画的方式
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+ callback 变化完成之后要处理的内容
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+*/
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+//动画算法
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+/*
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+ Linear:无缓动效果(匀速运动);
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+ Quad:二次方的缓动;
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+ Cubic:三次方的缓动
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+ Quartic:四次方的缓动;
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+ Quintic:五次方的缓动;
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+ Sinusoidal:正弦曲线的缓动;
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+ Exponential:指数曲线的缓动;
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+ Circular:圆形曲线的缓动;
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+ Elastic:指数衰减的正弦曲线缓动;
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+ Back:超过范围的三次方缓动);
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+ Bounce:指数衰减的反弹缓动。
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+
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+ 每个效果都分三个缓动方式(方法),分别是:
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+ easeIn:从0开始加速的运动;
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+ easeOut:减速到0的运动;
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+ easeInOut:前半段从0开始加速,后半段减速到0的运动。
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+
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+ 函数的四个参数分别代表:
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+ t--- current time(当前时间);0 +=60
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+ b--- beginning value(初始值);100
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+ c--- change in value(变化量);500-100
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+ d---duration(持续时间) 5000
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+ Tween.Quad.easeInt()
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+ 运算的结果就是当前的运动路程。
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+ 整理翻译:Code宝宝
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+ 翻译或解释不对的地方希望各位修正、批评。
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+ 50
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+ Tween.Linear
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+ Tween.Quad.easeIn
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+*/
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+const Tween = {
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+ Linear: function(t, b, c, d) {
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+ return (c * t) / d + b
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+ },
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+ Quad: {
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+ easeIn: function(t, b, c, d) {
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+ return c * (t /= d) * t + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return -c * (t /= d) * (t - 2) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if ((t /= d / 2) < 1) return (c / 2) * t * t + b
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+ return (-c / 2) * (--t * (t - 2) - 1) + b
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+ },
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+ },
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+ Cubic: {
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+ easeIn: function(t, b, c, d) {
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+ return c * (t /= d) * t * t + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return c * ((t = t / d - 1) * t * t + 1) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if ((t /= d / 2) < 1) return (c / 2) * t * t * t + b
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+ return (c / 2) * ((t -= 2) * t * t + 2) + b
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+ },
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+ },
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+ Quart: {
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+ easeIn: function(t, b, c, d) {
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+ return c * (t /= d) * t * t * t + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return -c * ((t = t / d - 1) * t * t * t - 1) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if ((t /= d / 2) < 1) return (c / 2) * t * t * t * t + b
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+ return (-c / 2) * ((t -= 2) * t * t * t - 2) + b
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+ },
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+ },
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+ Quint: {
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+ easeIn: function(t, b, c, d) {
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+ return c * (t /= d) * t * t * t * t + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return c * ((t = t / d - 1) * t * t * t * t + 1) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if ((t /= d / 2) < 1) return (c / 2) * t * t * t * t * t + b
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+ return (c / 2) * ((t -= 2) * t * t * t * t + 2) + b
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+ },
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+ },
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+ Sine: {
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+ easeIn: function(t, b, c, d) {
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+ return -c * Math.cos((t / d) * (Math.PI / 2)) + c + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return c * Math.sin((t / d) * (Math.PI / 2)) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ return (-c / 2) * (Math.cos((Math.PI * t) / d) - 1) + b
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+ },
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+ },
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+ Expo: {
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+ easeIn: function(t, b, c, d) {
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+ return t == 0 ? b : c * Math.pow(2, 10 * (t / d - 1)) + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return t == d ? b + c : c * (-Math.pow(2, (-10 * t) / d) + 1) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if (t == 0) return b
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+ if (t == d) return b + c
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+ if ((t /= d / 2) < 1) return (c / 2) * Math.pow(2, 10 * (t - 1)) + b
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+ return (c / 2) * (-Math.pow(2, -10 * --t) + 2) + b
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+ },
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+ },
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+ Circ: {
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+ easeIn: function(t, b, c, d) {
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+ return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ return c * Math.sqrt(1 - (t = t / d - 1) * t) + b
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if ((t /= d / 2) < 1) return (-c / 2) * (Math.sqrt(1 - t * t) - 1) + b
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+ return (c / 2) * (Math.sqrt(1 - (t -= 2) * t) + 1) + b
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+ },
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+ },
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+ Elastic: {
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+ easeIn: function(t, b, c, d, a, p) {
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+ if (t == 0) return b
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+ if ((t /= d) == 1) return b + c
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+ if (!p) p = d * 0.3
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+ if (!a || a < Math.abs(c)) {
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+ a = c
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+ var s = p / 4
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+ } else var s = (p / (2 * Math.PI)) * Math.asin(c / a)
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+ return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin(((t * d - s) * (2 * Math.PI)) / p)) + b
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+ },
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+ easeOut: function(t, b, c, d, a, p) {
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+ if (t == 0) return b
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+ if ((t /= d) == 1) return b + c
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+ if (!p) p = d * 0.3
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+ if (!a || a < Math.abs(c)) {
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+ a = c
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+ var s = p / 4
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+ } else var s = (p / (2 * Math.PI)) * Math.asin(c / a)
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+ return a * Math.pow(2, -10 * t) * Math.sin(((t * d - s) * (2 * Math.PI)) / p) + c + b
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+ },
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+ easeInOut: function(t, b, c, d, a, p) {
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+ if (t == 0) return b
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+ if ((t /= d / 2) == 2) return b + c
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+ if (!p) p = d * (0.3 * 1.5)
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+ if (!a || a < Math.abs(c)) {
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+ a = c
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+ var s = p / 4
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+ } else var s = (p / (2 * Math.PI)) * Math.asin(c / a)
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+ if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin(((t * d - s) * (2 * Math.PI)) / p)) + b
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+ return a * Math.pow(2, -10 * (t -= 1)) * Math.sin(((t * d - s) * (2 * Math.PI)) / p) * 0.5 + c + b
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+ },
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+ },
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+ Back: {
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+ easeIn: function(t, b, c, d, s) {
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+ if (s == undefined) s = 1.70158
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+ return c * (t /= d) * t * ((s + 1) * t - s) + b
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+ },
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+ easeOut: function(t, b, c, d, s) {
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+ if (s == undefined) s = 1.70158
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+ return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b
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+ },
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+ easeInOut: function(t, b, c, d, s) {
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+ if (s == undefined) s = 1.70158
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+ if ((t /= d / 2) < 1) return (c / 2) * (t * t * (((s *= 1.525) + 1) * t - s)) + b
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+ return (c / 2) * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2) + b
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+ },
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+ },
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+ Bounce: {
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+ easeIn: function(t, b, c, d) {
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+ return c - Tween.Bounce.easeOut(d - t, 0, c, d) + b
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+ },
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+ easeOut: function(t, b, c, d) {
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+ if ((t /= d) < 1 / 2.75) {
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+ return c * (7.5625 * t * t) + b
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+ } else if (t < 2 / 2.75) {
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+ return c * (7.5625 * (t -= 1.5 / 2.75) * t + 0.75) + b
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+ } else if (t < 2.5 / 2.75) {
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+ return c * (7.5625 * (t -= 2.25 / 2.75) * t + 0.9375) + b
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+ } else {
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+ return c * (7.5625 * (t -= 2.625 / 2.75) * t + 0.984375) + b
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+ }
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+ },
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+ easeInOut: function(t, b, c, d) {
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+ if (t < d / 2) return Tween.Bounce.easeIn(t * 2, 0, c, d) * 0.5 + b
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+ else return Tween.Bounce.easeOut(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b
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+ },
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+ },
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+}
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+/*
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+ 动画函数 animate (obj,attrObj,dur,fun,callback)
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+ obj 要动画的对象
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+ attrobj 要动画的属性对象{width:xxxx,height:xxx,left:xxxx,top:xxxx,opacity:xxx}
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+ dur 持续时间
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+ fun 动画方式
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+ callback 回调函数
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+ */
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+
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+export function animate(obj, attrObj, dur, fun, callback) {
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+ clearInterval(obj.t)
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+ if (arguments.length == 2) {
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+ dur = 500
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+ fun = Tween.Linear
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+ callback = null
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+ }
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+ if (arguments.length == 3) {
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+ if (typeof dur == 'number') {
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+ dur = dur
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+ fun = Tween.Linear
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+ callback = null
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+ }
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+ if (typeof dur == 'function') {
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+ if (dur.length >= 4) {
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+ fun = dur
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+ callback = null
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+ dur = 500
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+ } else {
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+ fun = Tween.Linear
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+ callback = dur
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+ dur = 500
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+ }
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+ }
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+ }
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+ if (arguments.length == 4) {
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+ if (typeof dur == 'number') {
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+ dur = dur
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+ if (fun.length >= 4) {
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+ fun = fun
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+ callback = null
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+ } else {
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+ callback = fun
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+ fun = Tween.Linear
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+ }
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+ } else {
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+ callback = fun
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+ fun = dur
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+ dur = 500
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+ }
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+ }
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+ var time = 0
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+ var start = {}
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+ var change = {}
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+ for (var i in attrObj) {
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+ start[i] = setCss(obj, i)
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+ change[i] = attrObj[i] - start[i]
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+ }
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+
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+ obj.t = setInterval(function() {
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+ if (time >= dur) {
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+ clearInterval(obj.t)
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+ for (var i in attrObj) {
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+ setCss(obj, i, attrObj[i])
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+ }
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+ if (callback) {
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+ callback.call(obj)
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+ }
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+ } else {
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+ for (var i in attrObj) {
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+ setCss(obj, i, fun(time, start[i], change[i], dur))
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+ }
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+ time += 60
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+ }
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+ }, 60)
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+}
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+
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+function setCss(obj, attr, val) {
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+ if (obj.nodeType !== 1) {
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+ return
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+ }
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+ //初始化参数
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+ var attr = attr.replace(/^\s*|\s*$/g, '')
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+ //获取值
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+ if (arguments.length == 2) {
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+ //位置和尺寸
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+ if (attr == 'height' || attr == 'width' || attr == 'top' || attr == 'left' || attr == 'right' || attr == 'bottom') {
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+ var val = obj.currentStyle ? parseInt(obj.currentStyle[attr]) : parseInt(getComputedStyle(obj, null)[attr])
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+ if (!val) {
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+ var str = 'offset' + attr.replace(attr.charAt(0), attr.charAt(0).toUpperCase())
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+ val = obj[str]
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+ }
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+ return val
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+ }
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+
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+ if (
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+ attr == 'padding' ||
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+ attr == 'margin' ||
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+ attr == 'paddingTop' ||
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+ attr == 'paddingLeft' ||
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+ attr == 'paddingRight' ||
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+ attr == 'paddingBottom' ||
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+ attr == 'marginTop' ||
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+ attr == 'marginLeft' ||
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+ attr == 'marginRight' ||
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+ attr == 'marginBottom'
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+ ) {
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+ var cc = parseInt(
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+ obj.currentStyle
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+ ? obj.currentStyle[attr] == undefined || obj.currentStyle[attr] == 'auto'
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+ ? 0
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+ : obj.currentStyle[attr]
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+ : getComputedStyle(obj, null)[attr] == undefined
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+ ? 0
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+ : getComputedStyle(obj, null)[attr]
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+ )
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+ return cc
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+ }
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+ //透明度
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+ if (attr == 'opacity') {
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+ return obj.currentStyle ? parseFloat(obj.currentStyle[attr] || 1) : parseFloat(getComputedStyle(obj, null)[attr] || 1)
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+ }
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+ //颜色
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+ if (
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+ attr == 'color' ||
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+ attr == 'background' ||
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+ attr == 'backgroundColor' ||
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+ attr == 'borderBottomColor' ||
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+ attr == 'borderLeftColor' ||
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+ attr == 'borderRightColor' ||
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+ attr == 'borderTopColor'
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+ ) {
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+ var colors = obj.currentStyle ? obj.currentStyle[attr] || '#000000' : getComputedStyle(obj, null)[attr] || '#000000'
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+ //获取对象
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+ return getColor(colors)
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+ }
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+ if (attr == 'scrollTop') {
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+ return obj.scrollTop
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+ }
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+
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+ return obj.currentStyle ? obj.currentStyle[attr] : getComputedStyle(obj, null)[attr]
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+ } else if (arguments.length == 3) {
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+ switch (attr) {
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+ case 'width':
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+ case 'height':
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+ case 'top':
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+ case 'left':
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+ case 'bottom':
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+ case 'right':
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+ case 'padding':
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+ case 'margin':
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+ case 'paddingLeft':
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+ case 'paddingRight':
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+ case 'paddingTop':
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+ case 'paddingBottom':
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+ case 'marginLeft':
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+ case 'marginRight':
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+ case 'marginTop':
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+ case 'marginBottom':
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+ obj.style[attr] = val + 'px'
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+ break
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+ case 'opacity':
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+ obj.style[attr] = val
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+ obj.style.filter = 'alpha(opacity=' + val * 100 + ')'
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+ break
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+ case 'scrollTop':
|
|
|
+ obj.scrollTop = val
|
|
|
+ break
|
|
|
+ case 'color':
|
|
|
+ case 'background':
|
|
|
+ case 'backgroundColor':
|
|
|
+ case 'borderBottomColor':
|
|
|
+ case 'borderLeftColor':
|
|
|
+ case 'borderRightColor':
|
|
|
+ case 'borderTopColor':
|
|
|
+ obj.style[attr] = val
|
|
|
+ break
|
|
|
+ default:
|
|
|
+ obj.style[attr] = val
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+//颜色渐变动画
|
|
|
+//获得颜色
|
|
|
+function getColor(color) {
|
|
|
+ var str, r, g, b, arr
|
|
|
+ if (typeof color == 'string') {
|
|
|
+ //16 进制
|
|
|
+ if (color.charAt(0) === '#') {
|
|
|
+ str = color.substring(1)
|
|
|
+ r = parseInt(str.substr(0, 2), 16)
|
|
|
+ g = parseInt(str.substr(2, 2), 16)
|
|
|
+ b = parseInt(str.substr(4, 2), 16)
|
|
|
+ arr = [r, g, b]
|
|
|
+ return arr
|
|
|
+ } else {
|
|
|
+ str = color.substring(4, color.length - 1)
|
|
|
+ return str.split(',')
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (color instanceof Array) {
|
|
|
+ return color
|
|
|
+ }
|
|
|
+}
|